[Bug target/55212] [SH] Switch to LRA

[kkojima at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212

--- Comment #85 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
Created attachment 34135
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34135&action=edit
patch to add -mlra option

I'd like to apply the patch to add a transitional option -mlra
like ARM and the revised patches in c#78 and c#83 on sh-lra branch
after merge from trunk.  It helps me a lot when building, comparing
and testing sh-lra compilers.